Factor Info

ID 145638
Size 621 digits / 2063 bits
Status composite
Value 564708905555151044336234026612095385103724537508519761447475677561171983300297512084654378770464936537286901008090541438479172808301036615746922367928653532167142530609682288330500143619022739325472816306213988045095783886727534380424766237620637450406458405447232699365188540051071131341938202223498699427000305881983412568390909212278668767737940068805786235781676224869731694410042916539988387642136994400300083853210538506603215521752662203013169562866580148280839675166016483017774669608897665694189312262830586110793309273249512328734715169787908070481167351688160532734363162737251915987051024916112869368684399583

Factorizations

Primary (ID: 145639) 780523434683827314433 (proven prime)
(ID: 145640) 723500256957566000035504693850698949876801809328242544435313201141270395828538604342964466360339406578469282121713976578955711366063471360995222818790963867269201684529364471261916210074663268650363641597269734969634101309164511359851559541289345364818051044482885073679090356286877913438705724956575645074818902831885274172356526188086504905037496645494327607245221964049500614305818828220417732871197539923674711643017448015638845058247368139875834080319235912986361613170971048804241201078787890973317588227218834909407365730103478960926386290597009790195057009138902962064780251459694623412259551 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.